If
th ev ehicle deviat esfrom thed irect ion desir ed
by thed rive r,ES P®
can stabiliz ethe vehicle by
int erve ning inthef ollo wing ways:
R One ormor ewheels areb rake d.
R The engine outputisadap teda ccor ding to
th es ituation .
ES P®
is deactiv ated ifth e00BB ESP®
OFF warn‐
ing lam plight supc ontin uousl yint he instrument
clus ter:
R Driving stabilit ywillno longerb eimp rove d.
R Crosswind Assistisn olong eractiv e.
R The drivew heels could spin.
R ETS/4 ETSt raction control isstill act ive.
% When ESP®
is deact ivat ed, youa restill assis‐
te db yESP®
wh en braki ng.
If th e00E5 ESP®
wa rning lam pflashes inthe
ins trumen tclus ter,one orseveralv ehicle wheels
has reac hed itsgrip limit :
R Adapty our driving stylet os uit thec urrent
ro ad and weather condition s. R
Donotd eac tivateE SP®
.
R Onlydepr essthea ccelera torp eda lasf ar as
is ne cessaryw hen pulling away.
Dea ctivateE SP®
in thef ollo wing situations to
im prov et raction :
R When usingsnowchains.
R Indeep snow.
R Onsand orgrav el.
% Spinn ingthew heels results inac utting
action, whichenhances traction.
If th e00E5 ESP®
wa rning lam plight supc ontin u‐
ousl y,ESP ®
is no ta vailable duetoam alfunc tion.
Obse rvet he follo wing informatio n:
R Warning and indic ator lam ps(/ page541)
R Display messa ges( / pag e492)
ET S/4ET S(Ele ctronic Tractio nSystem)
ET S/ 4ETS tracti oncontr olispa rtof ESP ®
and
mak esitpossible topull away and accelerat eon
as lippe ryroadw ay. ET
S/4ET Scanimprove thev ehicle's traction by
int erve ning inthef ollo wing ways:
R The drivew heels areb rake di ndividually if
th ey spin.
R Mor edrive torq ue istrans ferred tothew heel
or wheels withtraction .
Influenc eofdrive prog rams onESP®
The drivep rogram senableE SP®
to adap ttod if‐
fe re nt we ather and road con dition sasw ellas
th ed rive r's prefer redd riving style. Youc an
sele ctthed rive prog rams using theD YNAMI C
SELE CTswitc h(/pag e183). Dr
iving andparking 203
and
one-h alftim esaswellon theg ove rnment
te st trac ka sat ireg rade d1 00.
The relativ eperform anc eoftires depen dsupon
th ea ctual conditions oftheir use, howe ver,and
ma ydepar tsign ifican tlyf romt henor md ueto
va riatio nsindrivin ghabit s,ser vicep ractice sand
dif fere nces inroad charact eristic sa nd clim ate
con dition s.
Tr actio ngrade &
DANG ER Risk ofacc iden tdue toinade‐
qu atet raction
The tract ion grade assig nedtothis tirei s
based onstra ight -ahead brakin gtraction
te sts, and does notinclude either acceler a‐
tion, corner ing, hydroplaning orpeak traction
ch aract eristic s. #
Alw aysa dap tyour driving stylea nd
dr ivea tas peed tosuit thep reva ilin g
traf fica nd weather condition s. *
NO
TEDama getothed rive trai nf rom
wheelspin #
Avoid wheelspin. The
traction classes, from highes ttol owe st,a re
AA ,A,Ba ndC.Tho segrad es repr esent thet ire's
ability tostop onwetpave ment asmeasu red
unde rcontrol ledc ondition sonspec ified govern‐
ment test sur faces ofasp haltand concr ete. A
tir em arke dCm ayhave poor traction perform ‐
anc e.
Te mp eratur eg rade &
WARNIN GRisk ofacci dent from tire
ove rheating andtiref ailur e
The temp eratur egrade fort his tirei se stab‐
lishe dfor atiret hat isproper lyinf lated and
no to verloaded. Excessiv espeed, underinfla‐
tion, orexc essiv eloading, either separ ately
or incombin ation,cancause excessiv eheat
build-up andpossible tiref ailur e. #
Obser vether ecom mende dtirep res‐
su resa nd regular lych eckt he tirep res‐ sur
eofalltir es including thes par e
wheel. #
Adjus tthe tirep ressur easneces sary. The
temp eratur egrades areA( theh ighes t),B
and C.The yrepr esent thet ire's resis tance tothe
ge ner ation ofhea tand itsability todissipat e
heat when tested under controlled conditions on
as pecif iedindoor laborator yt estw heel. Sus‐
ta ined hightemp eratur ecan cause them ater ial
of thet iret od egener atea nd reduce tirel ife, and
exc essiv etem per atur ecan lead tosudden tire
fa ilur e.Grade Ccorresponds toaleve lofp er‐
fo rm anc ewhicha llpasse nger car tires mus t
mee tunde rthe Feder alMo torS afet yS tandar d
No. 109. Grade sBa ndArepr esent higher leve ls
of per form anc eonthe labor ator yt estw heel
th an them inimum requ ired bylaw. DO
T,Tire Iden tificat ionNumbe r(TIN) US
tirer egulations stipulat ethat everytire man‐
uf actu rero rretre ad er mu stimprint aTINinor
on thes ide wallof eac htirep roduced. 460
Wheels andtires
